<template>
  <div class="shop-info">
    <div class="info-content">
      <section class="section">
        <h3 class="section-title">配送信息</h3>
        <div class="delivery" v-if="info">
          <div>
            <span>由商家配送提供配送，约{{info.deliveryTime}}分钟送达，距离{{info.distance}}</span>
          </div>
          <div class="delivery-money">配送费￥{{info.deliveryPrice}}</div>
        </div>
      </section>

      <div class="split"></div>

      <section class="section">
        <h3 class="section-title">活动与服务</h3>
        <div class="activity" >
          <div
            class="activity-item"
            v-for="(support, index) in info.supports"
            :key="index"
            :class="supportClasses[support.type]"
          >
            <span class="content-tag">
              <span class="mini-tag">{{support.name}}</span>
            </span>
            <span class="activity-content">{{support.content}}</span>
          </div>
        </div>
      </section>
      <div class="split"></div>
      <section class="section">
        <h3 class="section-title">商家实景</h3>
        <div class="pic-wrapper">
          <ul class="pic-list" ref="picsUl">
            <li class="pic-item" v-for="(pic, index) in info.pics" :key="index">
              <img :src="pic" />
            </li>
          </ul>
        </div>
      </section>

      <div class="split"></div>

      <section class="section">
        <h3 class="section-title">商家信息</h3>
        <ul class="detail">
          <li>
            <span class="bold">品类</span>
            <span>{{info.category}}</span>
          </li>
          <li>
            <span class="bold">商家电话</span>
            <span>{{info.phone}}</span>
          </li>
          <li>
            <span class="bold">地址</span>
            <span>{{info.address}}</span>
          </li>
          <li>
            <span class="bold">营业时间</span>
            <span>{{info.workTime}}</span>
          </li>
        </ul>
      </section>
    </div>
  </div>
</template>

<script>
import BScroll from "better-scroll";
import { mapState } from "vuex";
export default {
  data() {
    return {
      supportClasses: ["activity-green", "activity-red", "activity-orange"],
      scroll:null
    };
  },
  computed: {
    ...mapState("goods",["info"])
  },
  async mounted() {
    // 如果数据还没有, 直接结束
    if (!this.info.pics) {
      return;
    }
    // 数据有了, 可以创建BScroll对象形成滑动
    this._initScroll();
  },
  methods: {
    _initScroll() {
      this.scroll=new BScroll(".shop-info");
      // 动态计算ul的宽度
      const ul = this.$refs.picsUl;
      const liWidth = 220;
      const space = 8;
      const count = this.info.pics.length;
      ul.style.width = (liWidth + space) * count - space + "px";
      this.$nextTick(()=>{
        this.scroll=new BScroll(".pic-wrapper", {
        scrollX: true, // 水平滑动
      });
      })
    },
  },
  watch: {
    info() {
      // 刷新流程--> 更新数据
      this.$nextTick(() => {
        this._initScroll();
      });
    },
  },
  //组件销毁前清除滚动
  beforeDestroy() {
    this.scroll = null;
  },
};
</script>

<style lang="scss" scoped>
.shop-info {
  position: absolute;
  top: 230px;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #fff;
  overflow: hidden;
  .section {
    padding: 16px 14px 14px;
    font-size: 16px;
    background-color: #fff;
    color: #666;
    border-bottom: 1px solid #eee;
    position: relative;
    .section-title {
      color: #000;
      font-weight: 700;
      line-height: 16px;
      > .iconfont {
        float: right;
        color: #ccc;
      }
    }
    .delivery {
      margin-top: 16px;
      font-size: 13px;
      line-height: 18px;
      .delivery-icon {
        width: 55px;
        font-size: 11px;
        margin-right: 10px;
        display: inline-block;
        text-align: center;
        color: #fff;
        background-color: #0097ff;
        padding: 1px 0;
        border-radius: 4px;
      }
      .delivery-money {
        margin-top: 5px;
      }
    }
  }
  .activity {
    margin-top: 16px;
    .activity-item {
      margin-bottom: 12px;
      display: flex;
      font-size: 13px;
      align-items: center;
      &.activity-green {
        .content-tag {
          background-color: rgb(112, 188, 70);
        }
      }
      &.activity-red {
        .content-tag {
          background-color: rgb(240, 115, 115);
        }
      }
      &.activity-orange {
        .content-tag {
          background-color: rgb(241, 136, 79);
        }
      }
      .content-tag {
        display: inline-block;
        border-radius: 2px;
        width: 36px;
        height: 18px;
        margin-right: 10px;
        color: #fff;
        font-style: normal;
        position: relative;
      }
      .mini-tag {
        position: absolute;
        left: 0;
        top: 0;
        right: -100%;
        bottom: -100%;
        font-size: 24px;
        transform: scale(0.5);
        transform-origin: 0 0;
        display: flex;
        align-items: center;
        justify-content: center;
      }
    }
  }
  .pic-wrapper {
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    margin-top: 16px;
    .pic-list {
      font-size: 0;
      display: flex;
      .pic-item {
        margin-right: 6px;
        img{
          width: 120px;
          height: 90px;
        }
        &:last-child {
          margin: 0;
        }
      }
    }
  }
  .detail {
    margin-bottom: -16px;
    > li {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-right: -10px;
      padding: 16px 12px 16px 0;
      line-height: 16px;
      border-bottom: 1px solid #ddd;
      font-size: 13px;
      > .bold {
        font-weight: 700;
        color #333 &:last-child {
          border: none;
        }
      }
    }
  }
  .split {
    width: 100%;
    height: 16px;
    border-top: 1px solid rgba(7, 17, 27, 0.1);
    border-bottom: 1px solid rgba(7, 17, 27, 0.1);
    background: #f3f5f7;
  }
}
</style>
